| MS | Multiple Sclerosis |
| ASMI | Appendicular Skeletal Muscle Index |
| BMI | Body Mass Index |
| EDSS | Expanded Disability Status Scale |
| FatM | Fat Mass |
| FFM | Fat-Free Mass |
| GS | Gait Speed |
| HGS | Handgrip Strength |
| IQR | Interquartile Range |
| MVPA | Moderate-to-Vigorous Physical Activity |
| Me | Median |
| N | Number of Patients |
| PA | Physical Activity |
| PMM | Predictive Muscle Mass |
| RRMS | Relapsing–Remitting Multiple Sclerosis |
| SB | Sedentary Behaviour |
| SD | Standard Deviation |
| T25FW | Timed 25-Foot Walking Test |
| T | Tertile |
| X | Mean |
| 9-HPT | 9-Hole Peg Test |